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參數(shù)資料
| 型號： | 1M0880 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Fairchild Power Switch(FPS) |
| 中文描述： | 飛兆半導(dǎo)體功率開關(guān)（FPS） |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 111K |
| 代理商： | 1M0880 |
2001 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev.1.0.2
Features
Precision fixed operating frequency
KA1L0880B(50KHz),KA1M0880B(67KHz)
Pulse by pulse over current limiting
Over load protection
Over voltage protection (Min. 23V)
Internal thermal shutdown function
Under voltage lockout
Internal high voltage sense FET
Latch up mode
Soft start
Description
The Fairchild Power Switch(FPS) product family is specially
designed for an off-line SMPS with minimal external
components. The Fairchild Power Switch(FPS) consist of high
voltage power SenseFET and current mode PWM controller IC.
PWM controller features integrated fixed oscillator, under
voltage lock out, leading edge blanking, optimized gate turn-on/
turn-off driver, thermal shut down protection, over voltage
protection, temperature compensated precision current sources
for loop compensation and fault protection circuit. compared to
discrete MOSFET and controller or R
CC
switching converter
solution, a Fairchild Power Switch(FPS) can reduce total
component count, design size, weight and at the same time
increase & efficiency, productivity, and system reliability. It has
a basic platform well suited for cost effective design in either a
flyback converter or a forward converter.
TO-3P-5L
1. DRAIN 2. GND 3. V
CC
4. FB 5. S/S
1
Internal Block Diagram
#3 V
CC
32V
5
μ
A
5V
2.5R
1R
1mA
0.1V
+
OVER VOLTAGE S/D
+
7.5V
25V
Thermal S/D
S
R
Q
Power on reset
+
L.E.B
S
R
Q
OSC
5V
Vref
Internal
bias
Good
logic
SFET
#1 DRAIN
#2 GND
#4 FB
#5 Soft Start
9V
K A1L0880B/K A1M0880B
Fairchild Power S witch(FPS)
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